Home / 103,330.60-155,092.92-50,777.80

Finding the Fourth Proportional to 103,330.60, 155,092.92 and 50,777.80

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Solution

The fourth proportional to 103,330.60, 155,092.92 and 50,777.80 is: 76,214.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,330.60 : 155,092.92 = 50,777.80 : x
  2. Step 2: Convert to fraction form
    103,330.60/155,092.92 = 50,777.80/x
  3. Step 3: Cross multiply
    103,330.60x = 155,092.92 × 50,777.80
  4. Step 4: Simplify right side
    103,330.60x = 7,875,277,273.18
  5. Step 5: Solve for x
    x = 7,875,277,273.18/103,330.60
  6. Step 6: Final answer
    x = 76,214.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.